3308620 - E01 CLUTCH NOT RELEASING CORRECTLY

There is sticking or noise during low gear changes or when engaging reverse gear
Results of the tests
1CLUTCH PEDAL CHECKAll OKProblems metOperation
Check the clutch pedal travel Continue to Step 2 Pedal travel not correct Restore the operation of the clutch pedal Op.   3330B26 
2FLUID LEAKS CHECKAll OKProblems metOperation
Visually inspect for leaks of fluid from the clutch pump or pipes Continue to Step 3 Fault in the clutch operating circuitReplace the components involved (see Assembly 1020B)
3CHECK FOR PRESENCE OF AIRAll OKProblems metOperation
Check that there is no air inside the hydraulic circuit Continue to Step 4 Presence of air in the circuit Bleed the air from the system Op.   1820B08 
4PUMP SEEPAGE CHECKAll OKProblems metOperation
Press the clutch pedal slowly and, at the same time, check that there are no returns of fluid to the tank Continue to Step 5 Seepage inside the clutch pump Replace the clutch pump Op.   1820B20 
5CLUTCH PLATE CHECKAll OKProblems metOperation

Verify:

  • clutch plate wear
  • that the clutch plate is not distorted
  • that there is no damage to the pressure plate diaphragm spring
Continue to Step 6 Clutch disc or pressure plate faulty Replace the clutch disc or pressure plate Op.   1810A20 
6CHECK SPLINED HUBAll OKProblems metOperation
Check for the presence of dirt, rust or dents in the splined part of the clutch disc hub and on the gearbox main shaft Continue to Step 7 Gearbox main shaft hub faultyReplace the gearbox main shaft (see OVERHAULING GEARBOXES Assembly 2110B)
Clutch disc hub bushes faultyRestore the correct lubrication of the bushes If necessary, replace the clutch plate Op.   1810A20 
7FLYWHEEL CHECKAll OKProblems metOperation
Check the condition of the flywheel (in particular, the condition of the surface and that there are no signs of overheating) Continue to Step 8 Flywheel damaged Replace the flywheel Op.   1024B22 
8HECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'